This patch series adds the functions to analyze BTS logs to perf-script and,makes perf-script more informative version 3.The patches add the following functions. - Unify the expression to "[unknown]" - Fix BTS record header to resolve DSOs and symbols of user-space - Resolve DSOs and symbols for BTS's branch_from addresses - Show the offset of symbols with the 'offs' field specifier. - Resolve the real path of [kernel.kallsym] using '--show-kernel-path' option.

Usage:First, get the BTS log with the following command.# perf record -e branches:u -c 1 -d <command>